A proof-of-concept trial has shown that nitrous oxide, or laughing gas, holds potential as an effective treatment for severe depression in patients who don't respond to standard therapies. Laughter may indeed be the best medicine. »12/10/14 9:40am 12/10/14 9:40am

Clinical depression is one of the most common mental illnesses, a disabling condition that keeps people trapped in feelings of hopelessness and despair. So why do depressed people actually make better decisions than their healthy counterparts? »5/05/11 4:56pm 5/05/11 4:56pm